lnd.xprv/chainntnfs/btcdnotify/driver.go

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package btcdnotify
import (
"fmt"
"github.com/lightningnetwork/lnd/chainntnfs"
"github.com/roasbeef/btcd/rpcclient"
)
// createNewNotifier creates a new instance of the ChainNotifier interface
// implemented by BtcdNotifier.
func createNewNotifier(args ...interface{}) (chainntnfs.ChainNotifier, error) {
if len(args) != 1 {
return nil, fmt.Errorf("incorrect number of arguments to .New(...), "+
"expected 1, instead passed %v", len(args))
}
config, ok := args[0].(*rpcclient.ConnConfig)
if !ok {
return nil, fmt.Errorf("first argument to btcdnotifier.New is " +
"incorrect, expected a *rpcclient.ConnConfig")
}
return New(config)
}
// init registers a driver for the BtcdNotifier concrete implementation of the
// chainntnfs.ChainNotifier interface.
func init() {
// Register the driver.
notifier := &chainntnfs.NotifierDriver{
NotifierType: notifierType,
New: createNewNotifier,
}
if err := chainntnfs.RegisterNotifier(notifier); err != nil {
panic(fmt.Sprintf("failed to register notifier driver '%s': %v",
notifierType, err))
}
}